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Functional magnetic resonance imaging at 0.2 Tesla
P W Stroman1, K L Malisza, M Onu
1Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada. Patrick.Stroman@nrc.ca
Neuroimage
|October 22, 2003
Summary
This study confirms that proton-density changes contribute to spin-echo functional MRI (fMRI) at low magnetic fields. This supports the signal enhancement by extravascular water protons (SEEP) mechanism, offering a non-BOLD fMRI contrast method.
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